QQuakeFacts
QuakeFactsEvidence report · prepared 2 September 2026https://quakes99.com/entity/usp000cq84
USGS usp000cq84

18 Mar 2004, 07:04

76 km S of Kushiro, Japan

A magnitude 5.1 mwc earthquake at 38.3 km depth.

Depth38.3 kmPublished hypocentral depth
Tsunami flagNot flaggedUSGS catalog flag, not a current warning
Updated19 December 2025Latest timestamp stored in this record

Published location

Where is 76 km S of Kushiro, Japan?

This locator uses the coordinates in the approved source record. It shows geographic context, not a site boundary, safety zone or property-risk area.

42.298000, 144.531000

Open the interactive map ↗

Map data © OpenStreetMap contributors

What the numbers mean

Magnitude measures event size; depth locates the source below the surface. Neither value alone establishes local damage or personal risk.

Need a current safety answer?

Use local emergency authorities and the live USGS event page. This historical evidence page is not an alert service.

Open the USGS event →

Continue exploring

Nearby events with a similar magnitude

M 5.1

159 km S of Kushiro, Japan

M 5.1

111 km ENE of Misawa, Japan

M 5.1

45 km ENE of Shizunai-furukawach?, Japan

M 5.1

144 km ENE of Hachinohe, Japan

M 5.1

101 km SSE of Kushiro, Japan

M 5.1

117 km SSE of Kushiro, Japan

Catalog fields and provenance
Event ID
usp000cq84
Coordinates
42.298, 144.531
Network
us
Significance
400